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Besides resulting in numerous physical health problems, childhood obesity has also been proven to lead to mental and emotional problems, such as anxiety and depression. In this study, I hypothesize that, through the mechanism of depression, childhood obesity also leads to lower academic performance. Multivariate analysis, using ordinary-least squares regression, suggests that obesity does negatively impact academic performance, with parental obesity and time spent watching television accounting for part of obesity's total effect. However, after controlling for a variety of socioeconomic factors, the negative effect of obesity becomes statistically insignificant. It is worth noting though that this study's bivariate analysis reveals a strong correlation between these factors and obesity. For policy makers, the results of this study should serve warning that if the threat of obesity is not addressed, the labor market could suffer due to the diminished academic performance of America's next generation.